The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 08, 2015
Filed:
Jun. 27, 2012
Hisayuki Utsumi, Osaka, JP;
Hisayuki Utsumi, Osaka, JP;
SHARP KABUSHIKI KAISHA, Osaka, JP;
Abstract
A nonaqueous secondary battery comprising: a positive electrode; a negative electrode; and a nonaqueous electrolyte solution, wherein the nonaqueous electrolyte solution contains: a cyclic nitrogen-containing compound represented by the general formula (1): wherein X represents an optionally branched divalent group derived from a chain saturated hydrocarbon and having 1 to 5 carbon atoms, ═C═CH, ═C═O, ═C═S═O, ═O or ═S, and Aand Amay be the same or different and each represent an optionally substituted methylene group, ═C═O or ═SO; and an amine derivative represented by the general formula (2): wherein Rto Rmay be the same or different and each represent a hydrogen atom, or an optionally substituted lower alkyl group, lower alkenyl group, lower alkoxy group, lower alkylcarbonyloxy group, lower alkylcarbonyl group, lower cycloalkyl group or aryl group.